Greenville-Spartanburg International (GSP) is an airport in Greenville, USA serving 31 nonstop destinations. The largest operators are Breeze Airways, American Airlines and Delta Air Lines. On-time performance is 75.9% based on the most recent BTS data (arrivals not delayed 15+ minutes). Updated 30 August 2026.

Frequently asked questions

How many nonstop destinations does GSP have?

GSP (Greenville-Spartanburg International) serves 31 nonstop destinations.

Which airlines fly nonstop from GSP?

Airlines flying nonstop from GSP include Delta Air Lines, Southwest Airlines, American Airlines, United Airlines, Breeze Airways, Allegiant Air, Avelo Airlines.

What is the on-time performance at GSP?

GSP has an on-time performance rate of 75.9%, based on the most recent BTS data covering arrivals not delayed 15 minutes or more.

What is the ICAO code for GSP?

The ICAO code for GSP (Greenville-Spartanburg International) is KGSP.

ICAO: KGSP
Route data: updated 30 days ago